SO SIMM=Small Outline Single Inline Memory Module 144 PIN SO SIMM at the computer. Pin | Normal | ECC | Description | 1 | VSS | VSS | Ground | 2 | VSS | VSS | Ground | 3 | DQ0 | DQ0 | Data 0 | 4 | DQ32 | DQ32 | Data 32 | 5 | DQ1 | DQ1 | Data 1 | 6 | DQ33 | DQ33 | Data 33 | 7 | DQ2 | DQ2 | Data 2 | 8 | DQ34 | DQ34 | Data 34 | 9 | DQ3 | DQ3 | Data 3 | 10 | DQ35 | DQ35 | Data 35 | 11 | VCC | VCC | +5 VDC | 12 | VCC | VCC | +5 VDC | 13 | DQ4 | DQ4 | Data 4 | 14 | DQ36 | DQ36 | Data 36 | 15 | DQ5 | DQ5 | Data 5 | 16 | DQ37 | DQ37 | Data 37 | 17 | DQ6 | DQ6 | Data 6 | 18 | DQ38 | DQ38 | Data 38 | 19 | DQ7 | DQ7 | Data 7 | 20 | DQ39 | DQ39 | Data 39 | 21 | VSS | VSS | Ground | 22 | VSS | VSS | Ground | 23 | /CAS0 | /CAS0 | Column Address Strobe 0 | 24 | /CAS4 | /CAS4 | Column Address Strobe 4 | 25 | /CAS1 | /CAS1 | Column Address Strobe 1 | 26 | /CAS5 | /CAS5 | Column Address Strobe 5 | 27 | VCC | VCC | +5 VDC | 28 | VCC | VCC | +5 VDC | 29 | A0 | A0 | Address 0 | 30 | A3 | A3 | Address 3 | 31 | A1 | A1 | Address 1 | 32 | A4 | A4 | Address 4 | 33 | A2 | A2 | Address 2 | 34 | A5 | A5 | Address 5 | 35 | VSS | VSS | Ground | 36 | VSS | VSS | Ground | 37 | DQ8 | DQ8 | Data 8 | 38 | DQ40 | DQ40 | Data 40 | 39 | DQ9 | DQ9 | Data 9 | 40 | DQ41 | DQ41 | Data 41 | 41 | DQ10 | DQ10 | Data 10 | 42 | DQ42 | DQ42 | Data 42 | 43 | DQ11 | DQ11 | Data 11 | 44 | DQ43 | DQ43 | Data 43 | 45 | VCC | VCC | +5 VDC | 46 | VCC | VCC | +5 VDC | 47 | DQ12 | DQ12 | Data 12 | 48 | DQ44 | DQ44 | Data 44 | 49 | DQ13 | DQ13 | Data 13 | 50 | DQ45 | DQ45 | Data 45 | 51 | DQ14 | DQ14 | Data 14 | 52 | DQ46 | DQ46 | Data 46 | 53 | DQ15 | DQ15 | Data 15 | 54 | DQ47 | DQ47 | Data 47 | 55 | VSS | VSS | Ground | 56 | VSS | VSS | Ground | 57 | n/c | CB0 | | 58 | n/c | CB4 | | 59 | n/c | CB1 | | 60 | n/c | CB5 | | 61 | DU | DU | Don't use | 62 | DU | DU | Don't use | 63 | VCC | VCC | +5 VDC | 64 | VCC | VCC | +5 VDC | 65 | DU | DU | Don't use | 66 | DU | DU | Don't use | 67 | /WE | /WE | Read/Write | 68 | n/c | n/c | Not connected | 69 | /RAS0 | /RAS0 | Row Address Strobe 0 | 70 | n/c | n/c | Not connected | 71 | /RAS1 | /RAS1 | Row Address Strobe 1 | 72 | n/c | n/c | Not connected | 73 | /OE | /OE | | 74 | n/c | n/c | Not connected | 75 | VSS | VSS | Ground | 76 | VSS | VSS | Ground | 77 | n/c | CB2 | | 78 | n/c | CB6 | | 79 | n/c | CB3 | | 80 | n/c | CB7 | | 81 | VCC | VCC | +5 VDC | 82 | VCC | VCC | +5 VDC | 83 | DQ16 | DQ16 | Data 16 | 84 | DQ48 | DQ48 | Data 48 | 85 | DQ17 | DQ17 | Data 17 | 86 | DQ49 | DQ49 | Data 49 | 87 | DQ18 | DQ18 | Data 18 | 88 | DQ50 | DQ50 | Data 50 | 89 | DQ19 | DQ19 | Data 19 | 90 | DQ51 | DQ51 | Data 51 | 91 | VSS | VSS | Ground | 92 | VSS | VSS | Ground | 93 | DQ20 | DQ20 | Data 20 | 94 | DQ52 | DQ52 | Data 52 | 95 | DQ21 | DQ21 | Data 21 | 96 | DQ53 | DQ53 | Data 53 | 97 | DQ22 | DQ22 | Data 22 | 98 | DQ54 | DQ54 | Data 54 | 99 | DQ23 | DQ23 | Data 23 | 100 | DQ55 | DQ55 | Data 55 | 101 | VCC | VCC | +5 VDC | 102 | VCC | VCC | +5 VDC | 103 | A6 | A6 | Address 6 | 104 | A7 | A7 | Address 7 | 105 | A8 | A8 | Address 8 | 106 | A11 | A11 | Address 11 | 107 | VSS | VSS | Ground | 108 | VSS | VSS | Ground | 109 | A9 | A9 | Address 9 | 110 | A12 | A12 | Address 12 | 111 | A10 | A10 | Address 10 | 112 | A13 | A13 | Address 13 | 113 | VCC | VCC | +5 VDC | 114 | VCC | VCC | +5 VDC | 115 | /CAS2 | /CAS2 | Column Address Strobe 2 | 116 | /CAS6 | /CAS6 | Column Address Strobe 6 | 117 | /CAS3 | /CAS3 | Column Address Strobe 3 | 118 | /CAS7 | /CAS7 | Column Address Strobe 7 | 119 | VSS | VSS | Ground | 120 | /VSS | /VSS | Ground | 121 | DQ24 | DQ24 | Data 24 | 122 | DQ56 | DQ56 | Data 56 | 123 | DQ25 | DQ25 | Data 25 | 124 | DQ57 | DQ57 | Data 57 | 125 | DQ26 | DQ26 | Data 26 | 126 | DQ58 | DQ58 | Data 58 | 127 | DQ27 | DQ27 | Data 27 | 128 | DQ59 | DQ59 | Data 59 | 129 | VCC | VCC | +5 VDC | 130 | VCC | VCC | +5 VDC | 131 | DQ28 | DQ28 | Data 28 | 132 | DQ60 | DQ60 | Data 60 | 133 | DQ29 | DQ29 | Data 29 | 134 | DQ61 | DQ61 | Data 61 | 135 | DQ30 | DQ30 | Data 30 | 136 | DQ62 | DQ62 | Data 62 | 137 | DQ31 | DQ31 | Data 31 | 138 | DQ63 | DQ63 | Data 63 | 139 | VSS | VSS | Ground | 140 | VSS | VSS | Ground | 141 | SDA | SDA | | 142 | SCL | SCL | | 143 | VCC | VCC | +5 VDC | 144 | VCC | VCC | +5 VDC |
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